ENH: don't raise exception if HDF5 file is readonly, close #847

pandas-dev · Mar 15, 2012 · 19bbb4a · 19bbb4a
1 parent 39efc7b
commit 19bbb4a
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/pandas/io/pytables.py b/pandas/io/pytables.py
@@ -176,7 +176,14 @@ def open(self, mode='a', warn=True):
                                              self.complib,
                                              fletcher32=self.fletcher32)
 
-        self.handle = _tables().openFile(self.path, self.mode)
+        try:
+            self.handle = _tables().openFile(self.path, self.mode)
+        except IOError, e:  # pragma: no cover
+            if 'can not be written' in str(e):
+                print 'Opening %s in read-only mode' % self.path
+                self.handle = _tables().openFile(self.path, 'r')
+            else:
+                raise
 
     def close(self):
         """